†unranked clade Oxyaenodonta Van Valen 1971 (creodont)
Parent taxon: Creodonta according to R. K. Stucky and T. G. Hardy 2007
Sister taxa: Altacreodus, Amblyctonidae, Arctocyonoidae, Hyaenodonta, Hyaenodontida, Limnocyonidae, Oxyaenoidae, Uintacyonidae
Subtaxa: Oxyaenidae
Ecology: scansorial insectivore
Distribution:
• Eocene to Oligocene of China (1 collection)
• Eocene of Belgium (2), Canada (2: Northwest Territories), China (3), France (6), Mexico (1), Mongolia (1), the United Kingdom (5), United States (214: California, Colorado, New Mexico, Oregon, Utah, Wyoming)
• Clarkforkian of United States (40: Colorado, Wyoming)
• Paleocene of Mongolia (1), United States (9: Wyoming)
Total: 285 collections including 322 occurrences